“Never say that you can't do something, or that something seems impossible, or that something can't be done, no matter how discouraging or harrowing it may be; human beings are limited only by what ...”

“For a man who walks in the light, to stay humble is not to walk in the dark; you don't need to project yourself to be thought an honest man.”

“The nostalgia of a moment's love can be an illusionary precipice from which we fall from truth; in heartbreak, what we escape to in the past is what tortures us in the present.”

“War can condition a person to be resilient, tolerant, dependable, strong, and capable of so much more than one who had experienced nothing of it; it can bring out the very best in us, but also the ...”

“Beethoven said that it's better to hit the wrong note confidently, than hit the right note unconfidently. Never be afraid to be wrong or to embarrass yourself; we are all students in this life, and...”

“It is not what you can do for your country, but what you can do for all of mankind.”

“Knowledge, like air, is vital to life. Like air, no one should be denied it.”

“Science is organized knowledge. Wisdom is organized life.”

“I definitely learned a lesson this time. I know that I can be broken. I am not as tough as I thought. I see it now. At this point, it's the only thing good that came out of all of this. I know myse...”

“We loved with a love that was more than love.”

“The highest function of love is that it makes the loved one a unique and irreplaceable being.”

“Love is not the absence of logicbut logic examined and recalculatedheated and curved to fitinside the contours of the heart”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”